NTSB Identification: GAA17CA43714 CFR Part 91: General AviationAccident occurred Monday, July 24, 2017 in Powell, WYProbable Cause Approval Date: 10/17/2017Aircraft: CESSNA 172, registration: N6470EInjuries: 3 Uninjured.NTSB investigators used data provided by various entities, including, but not limited to, the Federal Aviation Administration and/or the operator and did not travel in support of this investigation to prepare this aircraft accident report.The flight instructor reported that, during the landing flare about 20 ft above the runway, the student pilot “froze” at the flight controls. She added that she told the student pilot, “Add power – too high,” but the student did not respond. The student pilot “hung on” to the flight controls, “forcing [the] instructor to push full power and physically [take the] airplane.” Subsequently, the airplane landed hard, and the left wing impacted the runway.The airplane sustained substantial damage to the left wing.The flight instructor reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation.The National Transportation Safety Board determines the probable cause(s) of this accident as follows:The student pilot’s improper landing flare and subsequent failure to relinquish the flight controls, which resulted in a hard landing.The flight instructor reported that, during the landing flare about 20 ft. above the runway, the student pilot "froze" at the flight controls. She added that, she told the student pilot, "Add power – too high", but the student did not respond. The student pilot "hung on" to the flight controls, "forcing [the] instructor to push full power and physically [take the] airplane." Subsequently, the airplane landed hard and the left wing impacted the runway.The airplane sustained substantial damage to the left wing. The flight instructor reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation.

Additional Participating Entity:Federal Aviation Administration / Flight Standards District Office; Helena, MontanaAviation Accident Factual Report - National Transportation Safety Board: https://app.ntsb.gov/pdfInvestigation Docket - National Transportation Safety Board: https://dms.ntsb.gov/pubdmshttp://registry.faa.gov/N6470ENTSB Identification: GAA17CA43714 CFR Part 91: General AviationAccident occurred Monday, July 24, 2017 in Powell, WYAircraft: CESSNA 172, registration: N6470EInjuries: 3 Uninjured.NTSB investigators used data provided by various entities, including, but not limited to, the Federal Aviation Administration and/or the operator and did not travel in support of this investigation to prepare this aircraft accident report.The flight instructor reported that, during the landing flare about 20 ft. above the runway, the student pilot "froze" at the flight controls. She added that, she told the student pilot, "Add power – too high", but the student did not respond. The student pilot "hung on" to the flight controls, "forcing [the] instructor to push full power and physically [take the] airplane." Subsequently, the airplane landed hard and the left wing impacted the runway.The airplane sustained substantial damage to the left wing.The flight instructor reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation.